author | mli |
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/* |
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* Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* @test |
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* @bug 4457683 |
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* @summary After all of the remote objects (including a registry, if |
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* applicable) that had been exported with a given |
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* RMIServerSocketFactory value (including null) have been unexported, |
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* the server socket created for the exports should be closed (so that |
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* the local port is released). |
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* @author Peter Jones |
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* |
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* @library ../../testlibrary |
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* @modules java.rmi/sun.rmi.registry |
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* java.rmi/sun.rmi.server |
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* java.rmi/sun.rmi.transport |
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* java.rmi/sun.rmi.transport.tcp |
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* @build TestLibrary |
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* @run main/othervm CloseServerSocket |
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* @key intermittent |
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*/ |
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import java.io.IOException; |
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import java.net.BindException; |
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import java.net.ServerSocket; |
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import java.rmi.Remote; |
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import java.rmi.registry.LocateRegistry; |
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import java.rmi.registry.Registry; |
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import java.rmi.server.RMIServerSocketFactory; |
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import java.rmi.server.UnicastRemoteObject; |
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public class CloseServerSocket implements Remote { |
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private static final int PORT = TestLibrary.getUnusedRandomPort(); |
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private CloseServerSocket() { } |
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public static void main(String[] args) throws Exception { |
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System.err.println("\nRegression test for bug 4457683\n"); |
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verifyPortFree(PORT); |
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Registry registry = LocateRegistry.createRegistry(PORT); |
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System.err.println("- exported registry: " + registry); |
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verifyPortInUse(PORT); |
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UnicastRemoteObject.unexportObject(registry, true); |
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System.err.println("- unexported registry"); |
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int tries = (int)TestLibrary.getTimeoutFactor(); |
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tries = Math.max(tries, 1); |
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while (tries-- > 0) { |
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Thread.sleep(1000); |
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try { |
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verifyPortFree(PORT); |
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break; |
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} catch (IOException ignore) { } |
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} |
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if (tries < 0) { |
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throw new RuntimeException("time out after tries: " + tries); |
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} |
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/* |
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* The follow portion of this test is disabled temporarily |
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* because 4457683 was partially backed out because of |
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* 6269166; for now, only server sockets originally opened for |
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* exports on non-anonymous ports will be closed when all of |
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* the corresponding remote objects have been exported. A |
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* separate bug will be filed to represent the remainder of |
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* 4457683 for anonymous-port exports. |
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*/ |
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// SSF ssf = new SSF(); |
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// Remote impl = new CloseServerSocket(); |
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// Remote stub = UnicastRemoteObject.exportObject(impl, 0, null, ssf); |
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// System.err.println("- exported object: " + stub); |
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// UnicastRemoteObject.unexportObject(impl, true); |
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// System.err.println("- unexported object"); |
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// synchronized (ssf) { |
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// if (!ssf.serverSocketClosed) { |
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// throw new RuntimeException("TEST FAILED: " + |
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// "server socket not closed"); |
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// } |
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// } |
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System.err.println("TEST PASSED"); |
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} |
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private static void verifyPortFree(int port) throws IOException { |
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ServerSocket ss = new ServerSocket(port); |
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ss.close(); |
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System.err.println("- port " + port + " is free"); |
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} |
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private static void verifyPortInUse(int port) throws IOException { |
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try { |
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verifyPortFree(port); |
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throw new RuntimeException("port is not in use: " + port); |
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} catch (BindException e) { |
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System.err.println("- port " + port + " is in use"); |
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return; |
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} |
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} |
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private static class SSF implements RMIServerSocketFactory { |
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boolean serverSocketClosed = false; |
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SSF() { }; |
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public ServerSocket createServerSocket(int port) throws IOException { |
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return new SS(port); |
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} |
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private class SS extends ServerSocket { |
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SS(int port) throws IOException { |
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super(port); |
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System.err.println("- created server socket: " + this); |
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}; |
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public void close() throws IOException { |
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synchronized (SSF.this) { |
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serverSocketClosed = true; |
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SSF.this.notifyAll(); |
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} |
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System.err.println("- closing server socket: " + this); |
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super.close(); |
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} |
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} |
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} |
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} |